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Evidence for CP violation in B+ -> K(892)(+)pi(0) from a Dalitz plot analysis of B+ -> K-S(0) pi(+)pi(0) decays

Grauges, E ; Eigen, G ; Lynch, G ; Khan, A ; Blinov, V. E ; Buzykaev, A. R ; Golubev, V. B ; Kravchenko, E. A ; Solodov, E. P ; Dey, B ; Long, O ; Hong, T. M ; Eisner, A. M ; Schumm, B. A ; Chao, D. S ; Huard, Z ; Meadows, B. T ; Gaz, A ; Spaan, B ; Bernard, D ; Cibinetto, G ; Fioravanti, E ; Piemontese, L ; Santoro, V ; Calcaterra, A ; Peruzzi, I. M ; Piccolo, M ; Contri, R ; Patrignani, C ; Bhuyan, B ; Mallik, U ; Arnaud, N ; Davier, M ; Derkach, D ; Le Diberder, F ; Roudeau, P ; Wright, D. M ; Touramanis, C ; Bevan, A. J ; Davis, C. L ; Gradl, W ; Griessinger, K ; Hafner, A ; Schubert, K. R ; Lafferty, G. D ; Cenci, R ; Roberts, D. A ; Cowan, R ; Patel, P. M ; Neri, N ; Palombo, F ; Simard, M ; Taras, P ; Onorato, G ; Jessop, C. P ; Honscheid, K ; Kass, R ; Posocco, M ; Akar, S ; Ben-Haim, E ; Leruste, Ph ; Angelini, C ; Batignani, G ; Casarosa, G ; Forti, F ; Lusiani, A ; Paoloni, E ; Pegna, D. Lopes ; Ferrarotto, F ; Ferroni, F ; Gaspero, M ; Gruenberg, O ; Adye, T ; Cartaro, C ; Dubois-Felsmann, G. P ; Dunwoodie, W ; Field, R. C ; Fulsom, B. G ; Graham, M. T ; Hast, C ; Kim, P ; Luth, V ; Neal, H ; Perl, M ; Schindler, R. H ; Su, D ; Va'vra, J ; Wulsin, H. W ; Randle-Conde, A ; Puccio, E. M. T ; Guttman, N ; Spanier, S. M ; Schwitters, R. F ; Izen, J. M ; Bianchi, F ; Filippi, A ; Gamba, D ; Vitale, L ; Bernlochner, F. U ; Lueck, T

2017-10

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Evidence for CP violation in B+ -> K(892)(+)pi(0) from a Dalitz plot analysis of B+ -> K-S(0) pi(+)pi(0) decays
Autor: Grauges, E ; Eigen, G ; Lynch, G ; Khan, A ; Blinov, V. E ; Buzykaev, A. R ; Golubev, V. B ; Kravchenko, E. A ; Solodov, E. P ; Dey, B ; Long, O ; Hong, T. M ; Eisner, A. M ; Schumm, B. A ; Chao, D. S ; Huard, Z ; Meadows, B. T ; Gaz, A ; Spaan, B ; Bernard, D ; Cibinetto, G ; Fioravanti, E ; Piemontese, L ; Santoro, V ; Calcaterra, A ; Peruzzi, I. M ; Piccolo, M ; Contri, R ; Patrignani, C ; Bhuyan, B ; Mallik, U ; Arnaud, N ; Davier, M ; Derkach, D ; Le Diberder, F ; Roudeau, P ; Wright, D. M ; Touramanis, C ; Bevan, A. J ; Davis, C. L ; Gradl, W ; Griessinger, K ; Hafner, A ; Schubert, K. R ; Lafferty, G. D ; Cenci, R ; Roberts, D. A ; Cowan, R ; Patel, P. M ; Neri, N ; Palombo, F ; Simard, M ; Taras, P ; Onorato, G ; Jessop, C. P ; Honscheid, K ; Kass, R ; Posocco, M ; Akar, S ; Ben-Haim, E ; Leruste, Ph ; Angelini, C ; Batignani, G ; Casarosa, G ; Forti, F ; Lusiani, A ; Paoloni, E ; Pegna, D. Lopes ; Ferrarotto, F ; Ferroni, F ; Gaspero, M ; Gruenberg, O ; Adye, T ; Cartaro, C ; Dubois-Felsmann, G. P ; Dunwoodie, W ; Field, R. C ; Fulsom, B. G ; Graham, M. T ; Hast, C ; Kim, P ; Luth, V ; Neal, H ; Perl, M ; Schindler, R. H ; Su, D ; Va'vra, J ; Wulsin, H. W ; Randle-Conde, A ; Puccio, E. M. T ; Guttman, N ; Spanier, S. M ; Schwitters, R. F ; Izen, J. M ; Bianchi, F ; Filippi, A ; Gamba, D ; Vitale, L ; Bernlochner, F. U ; Lueck, T
Notas: https://research.vu.nl/en/publications/4ed9d0c3-b24e-4af3-bb82-d76a97d4e86c
Lees , J P , Poireau , V , Tisserand , V , Grauges , E , Palano , A , Eigen , G , Stugu , B , Brown , D N , Kerth , L T , Kolomensky , Y G , Lynch , G , Schroeder , T , Hearty , C , Mattison , T S , McKenna , J A , So , R Y , Khan , A , Blinov , V E , Buzykaev , A R , Druzhinin , V P , Golubev , V B , Kravchenko , E A , Onuchin , A P , Serednyakov , S I , Skovpen , Y I , Solodov , E P , Todyshev , K Y , Lankford , A J , Dey , B , Gary , J W , Long , O , Sevilla , M F , Hong , T M , Kovalskyi , D , Richman , J D , West , C A , Eisner , A M , Lockman , W S , Vazquez , W P , Schumm , B A , Seiden , A , Chao , D S , Echenard , B , Flood , K T , Hitlin , D G , Miyashita , T S , Ongmongkolkul , P , Rohrken , M , Andreassen , R , Huard , Z , Meadows , B T , Pushpawela , B G , Sokoloff , M D , Sun , L , Bloom , P C , Ford , W T , Gaz , A , Smith , J G , Wagner , S R , Ayad , R , Toki , W H , Spaan , B , Bernard , D , Verderi , M , Playfer , S , Bettoni , D , Bozzi , C , Calabrese , R , Cibinetto , G , Fioravanti , E , Garzia , I , Luppi , E , Piemontese , L , Santoro , V , Calcaterra , A , de Sangro , R , Finocchiaro , G , Martellotti , S , Patteri , P , Peruzzi , I M , Piccolo , M , Rama , M , Zallo , A , Contri , R , Monge , M R , Passaggio , S , Patrignani , C , Bhuyan , B , Prasad , V , Adametz , A , Uwer , U , Lacker , H M , Mallik , U , Cochran , J , Prell , S , Ahmed , H , Gritsan , A V , Arnaud , N , Davier , M , Derkach , D , Grosdidier , G , Le Diberder , F , Lutz , A M , Malaescu , B , Roudeau , P , Stocchi , A , Wormser , G , Lange , D J , Wright , D M , Coleman , J P , Fry , J R , Gabathuler , E , Hutchcroft , D E , Payne , D J , Touramanis , C , Bevan , A J , Di Lodovico , F , Sacco , R , Cowan , G , Brown , D N , Davis , C L , Denig , A G , Fritsch , M , Gradl , W , Griessinger , K , Hafner , A , Schubert , K R , Barlow , R J , Lafferty , G D , Cenci , R , Hamilton , B , Jawahery , A , Roberts , D A , Cowan , R , Cheaib , R , Patel , P M , Robertson , S H , Neri , N , Palombo , F , Cremaldi , L , Godang , R , Summers , D J , Simard , M , Taras , P , De Nardo , G , Onorato , G , Sciacca , C , Raven , G , Jessop , C P , LoSecco , J M , Honscheid , K , Kass , R , Margoni , M , Morandin , M , Posocco , M , Rotondo , M , Simi , G , Simonetto , F , Stroili , R , Akar , S , Ben-Haim , E , Bomben , M , Bonneaud , G R , Briand , H , Calderini , G , Chauveau , J , Leruste , P , Marchiori , G , Ocariz , J , Biasini , M , Manoni , E , Rossi , A , Angelini , C , Batignani , G , Bettarini , S , Carpinelli , M , Casarosa , G , Chrzaszcz , M , Forti , F , Giorgi , M A , Lusiani , A , Oberhof , B , Paoloni , E , Rizzo , G , Walsh , J J , Pegna , D L , Olsen , J , Smith , A J S , Anulli , F , Faccini , R , Ferrarotto , F , Ferroni , F , Gaspero , M , Pilloni , A , Piredda , G , Buenger , C , Dittrich , S , Gruenberg , O , Hess , M , Leddig , T , Voss , C , Waldi , R , Adye , T , Olaiya , E O , Wilson , F F , Emery , S , Vasseur , G , Aston , D , Bard , D J , Cartaro , C , Convery , M R , Dorfan , J , Dubois-Felsmann , G P , Dunwoodie , W , Ebert , M , Field , R C , Fulsom , B G , Graham , M T , Hast , C , Innes , W R , Kim , P , Leith , D W G S , Lindemann , D , Luitz , S , Luth , V , Lynch , H L , MacFarlane , D B , Muller , D R , Neal , H , Perl , M , Pulliam , T , Ratcliff , B N , Roodman , A , Schindler , R H , Snyder , A , Su , D , Sullivan , M K , Va'vra , J , Wisniewski , W J , Wulsin , H W , Purohit , M V , Wilson , J R , Randle-Conde , A , Sekula , S J , Bellis , M , Burchat , P R , Puccio , E M T , Alam , M S , Ernst , J A , Gorodeisky , R , Guttman , N , Peimer , D R , Soffer , A , Spanier , S M , Ritchie , J L , Schwitters , R F , Izen , J M , Lou , X C , Bianchi , F , De Mori , F , Filippi , A , Gamba , D , Lanceri , L , Vitale , L , Martinez-Vidal , F , Oyanguren , A , Villanueva-Perez , P , Albert , J , Banerjee , S , Beaulieu , A , Bernlochner , F U , Choi , H H F , Kowalewski , R , Lewczuk , M J , Lueck , T , Nugent , I M , Roney , J M , Sobie , R J , Tasneem , N , Gershon , T J , Harrison , P F , Latham , T E , Band , H R , Dasu , S , Pan , Y & Prepost , R 2017 , ' Evidence for CP violation in B+ - > K*(892)(+)pi(0) from a Dalitz plot analysis of B+ - > K-S(0) pi(+)pi(0) decays ' , Physical Review D , vol. 96 , no. 7 , 072001 . https://doi.org/10.1103/PhysRevD.96.072001
https://hdl.handle.net/1871.1/4ed9d0c3-b24e-4af3-bb82-d76a97d4e86c
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https://doi.org/10.1103/PhysRevD.96.072001
Descrição: We report a Dalitz plot analysis of charmless hadronic decays of charged B mesons to the final state K0Sπ+π0 using the full BABAR data set of 470.9±2.8 million B¯B events collected at the Υ(4S) resonance. We measure the overall branching fraction and CP asymmetry to be B(B+→K0π+π0)=(31.8±1.8±2.1+6.0−0.0)×10−6 and ACP(B+→K0π+π0)=0.07±0.05±0.03+0.02−0.03, where the uncertainties are statistical, systematic, and due to the signal model, respectively. This is the first measurement of the branching fraction for B+→K0π+π0. We find first evidence of a CP asymmetry in B+→K∗(892)+π0 decays: ACP(B+→K∗(892)+π0)=−0.52±0.14±0.04+0.04−0.02. The significance of this asymmetry, including systematic and model uncertainties, is 3.4 standard deviations. We also measure the branching fractions and CP asymmetries for three other intermediate decay modes.
Data de criação/publicação: 2017-10
Idioma: Inglês

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Evidence for CP violation in B+ -> K(892)(+)pi(0) from a Dalitz plot analysis of B+ -> K-S(0) pi(+)pi(0) decays

2017-10

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